- various bug fixes and improvements

- modified automatic instrument detection on six and tecs client

tecs/tecs.c

@@ -134,6 +134,7 @@ static float
   fbuf, /* float buffer */
   r1, r2, /* temporary values */
   still=0,
+  linearPower=0, /* normally 0. Maximum power when loop=2 and the power linear to the output */
   mout,
   tInt=0; /* integral time (sec.) for setpoint shift */
 
@@ -604,6 +605,7 @@ again:
     slope=0;
     ramp=0;
     controlMode=0;
+    linearPower=0;
     powFact=1;
     config[0]='\0';
     lscfg[0]='\0';
@@ -1131,11 +1133,18 @@ int ReadTemp(void) {
 
 float Percent2Power(float percent) {
   float curr;
+  
+  if (linearPower != 0) {
+    return percent/100*linearPower;
+  }
   curr=maxCurrent*percent/100;
   return curr*curr*resist*powFact;
 }
 
 float Power2Percent(float power) {
+  if (linearPower != 0) {
+    return power/linearPower*100;
+  }
   return sqrt(power/powFact/resist)/maxCurrent*100;
 }
 
@@ -1490,6 +1499,9 @@ int SetMaxPower(void) {
       pold=limCurrent*limCurrent*resist;
     }
     CalcMaxPower();
+  } else if (linearPower != 0) {
+    maxCurrent = 1;
+    maxPowerFlt = linearPower;
   } else {
     maxCurrent=10/resist; /* 10 V max. */
     if (maxCurrent>0.1) {
@@ -2925,6 +2937,7 @@ int main(int argc, char *argv[]) {
   CocDefFlt(r2, RD);
   CocDefFlt(tShift, RW);
   CocDefFlt(tInt, RW);
+  CocDefFlt(linearPower, RW);
 
   CocDefPtr(clData, ClientData);
   CocStrFld(ClientData, cmd, RW); CocHdl(SendHdl);